Eckles, C. H. 1875-1933. Dairy cattle and milk production. - 4th ed., rev. by Ernest L. Anthony. - New York, Macmillan 1950 - xvi, 560 p. illus., port. 22 cm. LCCN: agr50000464 Subjects--Topical Terms: Dairying.Dairy cattle.Milk yield. LC Class. No.: SF239 / .E3 1950 Dewey Class. No.: 637.1